Gastrin QGAST

Method(s) Immunoassay (IA)
Specimen Required
Collect

One 5 mL gold (SST) top tube.

Transport

1 mL serum frozen (Min: 0.5 mL)

* Collection Instructions*

  • Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low.
  • For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation.
  • For patients on mega-doses of biotin supplements, draw samples at least 72 hour following the last biotin supplementation.
Remarks

Patient Preparation

  • Overnight fasting is required, preferable 12 hours or more.
Stability

Ambient: Unacceptable

Refrigerated: Unacceptable

Frozen: 28 days

Unacceptable Conditions
  • Grossly hemolysis
  • Grossly lipemic
  • Received thawed
  • Grossly icteric
Schedule Mon-Fri
CPTCode 82941
Notes Performing Laboratory-Quest Diagnostics-Chantilly VA
Preferred Specimen Collection Device(s)
Reference Interval
 
Reference range applies to fasting specimen only
Less than 5 yearsNot established
5-17 yearsLess than 65 pg/mL
Greater than or equal to 18 yearsLess than or equal to 100 pg/mL
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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